Ishizakiella, McKenzie & Sudijono, 1981

Yoo, Hyunsu, Karanovic, Ivana & Lee, Wonchoel, 2012, First record of Ishizakiella supralittoralis (Ostracoda, Cytheroidea, Leptocytheridae) from South Korea with a key to species of the genus, Journal of Species Research 1 (1), pp. 68-77 : 76-77

Key to species of Ishizakiella

1. Marginal pore canals simple, not branched, central part of the hinge smooth ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ ∙∙∙∙∙∙∙∙∙∙∙ Ishizakiella supralittoralis ( Schornikov, 1974)

- Marginal pore canals branched and central part of the hinge crenulated ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 2

2. Ornamentation consist of small, densely packed pits ∙∙ ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ Ishizakiella pacifica ( Hanai, 1957)

- Ornamentation much more harsh, consisting of large fovea with secondary ornamentation inside them ∙∙∙∙∙ 3

3. RV of female in external view postero-ventrally with a clearly pronounced square-shaped process ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ Ishizakiella foveoreticulata McKenzie & Sudijono, 1981

- RV of female in external view without a clear postero -ventral square-shaped process (sometimes this margin square-shaped, but no process present) ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 4

4. Copulatory duct serrated ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 5

- Copulatory duct not serrated ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ ∙∙∙∙∙∙∙∙∙∙ Ishizakiella novaezealandica (Hartmann, 1974)

5. Serration on the copulatory duct strongly pronounced, tassel-like ∙∙∙∙∙∙∙∙∙∙ Ishizakiella miurensis ( Hanai, 1957)

- Serration on the copulatory duct gentle and not tassel-like ∙∙∙∙∙∙∙∙∙∙∙ Ishizakiella ryukyuensis Tsukagoshi, 1994